/** Test of add method, of class Statistics. */
@Test
public strictfp void testAdd_double() {
ListStatistics stats = new ListStatistics();
stats.addValue(VALUES[0]);
assertEquals(1, stats.getN());
assertEquals(VALUES[0], stats.getSum(), 0.0);
assertEquals(VALUES[0], stats.getMax(), 0.0);
assertEquals(VALUES[0], stats.getMin(), 0.0);
assertEquals(VALUES[0], stats.getMean(), 0.0);
assertEquals(Double.NaN, stats.getVariance(), 0.0);
assertEquals(Double.NaN, stats.getStandardDeviation(), 0.0);
}
@Test
public strictfp void testSingle() {
ListStatistics s = new ListStatistics();
s.addValue(42.0D);
Assert.assertEquals(1, s.getN());
Assert.assertEquals(42.0D, s.getSum());
Assert.assertEquals(42.0D, s.getMin());
Assert.assertEquals(42.0D, s.getMax());
Assert.assertEquals(42.0D, s.getMean());
Assert.assertEquals(Double.NaN, s.getMeanErrorAt(0.5));
Assert.assertEquals(Double.NaN, s.getVariance());
Assert.assertEquals(Double.NaN, s.getStandardDeviation());
Assert.assertEquals(Double.NaN, s.getConfidenceIntervalAt(0.50)[0]);
Assert.assertEquals(Double.NaN, s.getConfidenceIntervalAt(0.50)[1]);
Assert.assertEquals(42.0D, s.getPercentile(0));
Assert.assertEquals(42.0D, s.getPercentile(100));
}
/** Test of getN method, of class Statistics. */
@Test
public strictfp void testGetN() {
assertEquals((long) VALUES.length, instance.getN());
}
